<template>
  <div class="editor">
      <quill-editor
        v-model:content="content"
        contentType="html"
        @textChange="(e) => $emit('update:modelValue', content)"
        :options="options"
        :style="styles"
        ref="myQuillEditor"
      />
      <el-upload class="avatar-uploader" id="quill-img" 
        :action="uploadImgUrl" 
        :data="qiniuData" 
        :headers="headers"
        ref="upload" list-type="picture-card"
        :on-success="outsideHandleSuccess"
        accept=".png, .jpg, .jpeg" style="display: none;">
        <i class="el-icon-plus"></i>
      </el-upload>

      <el-upload class="avatar-uploader-video" id="quill-img" 
        :action="uploadImgUrl" 
        :data="qiniuData" 
        :headers="headers"
        ref="uploadVideo" list-type="picture-card"
        :on-success="outsideHandleSuccessVideo"
        accept=".mp4" style="display: none;">
        <i class="el-icon-plus"></i>
      </el-upload>
  </div>
</template>

<script setup>
import { getToken } from "@/utils/auth";
import { QuillEditor } from '@vueup/vue-quill';
import '@vueup/vue-quill/dist/vue-quill.snow.css';

const { proxy } = getCurrentInstance();
const uploadImgUrl = ref(import.meta.env.VITE_APP_BASE_API + "/file/upload"); // 上传的图片服务器地址
const headers = ref({
  Authorization: "Bearer " + getToken(),
  "Terminal-Type": "pc"
});

const toolbarOptions = [
    ["bold", "italic", "underline", "strike"], // 加粗 斜体 下划线 删除线 -----['bold', 'italic', 'underline', 'strike']
    // ["blockquote", "code-block"], // 引用  代码块-----['blockquote', 'code-block']
    [{ list: "ordered" }, { list: "bullet" }], // 有序、无序列表-----[{ list: 'ordered' }, { list: 'bullet' }]
    // [{ 'header': 1 }, { 'header': 2 }],
    // [{ script: "sub" }, { script: "super" }], // 上标/下标-----[{ script: 'sub' }, { script: 'super' }]
    [{ indent: "-1" }, { indent: "+1" }],
    [{ size: ['small', false, 'large', 'huge']}], // 配置字号
    [{ header: [1, 2, 3, 4, 5, 6, false] }], // 标题-----[{ header: [1, 2, 3, 4, 5, 6, false] }]
    [{ color: [] }, { background: [] }], // 字体颜色、字体背景颜色-----[{ color: [] }, { background: [] }]
    [{ font: []}], //显示字体选择
    [{ align: [] }], // 对齐方式-----
    ["clean"], // 清除文本格式-----
    ['image', 'video'], // 链接、图片、视频-----
];
//事件重写
const handlers = {
    //重写图片上传
    image:function image(value) {
        if (value && props.readOnly==false) {
          document.querySelector('.avatar-uploader input').click();
        } else {
          this.quill.format('image', false);
        }
    },
    //重写视频上传
    video:function image(value) {
        if (value  && props.readOnly==false) {
          document.querySelector('.avatar-uploader-video input').click();
        } else {
          this.quill.format('video', false);
        }
    },
};

const props = defineProps({
  /* 编辑器的内容 */
  modelValue: {
    type: String,
  },
  /* 高度 */
  height: {
    type: Number,
    default: null,
  },
  /* 最小高度 */
  minHeight: {
    type: Number,
    default: null,
  },
  /* 只读 */
  readOnly: {
    type: Boolean,
    default: false,
  },
});

const options = ref({
  theme: "snow",
  bounds: document.body,
  debug: "warn",
  modules: {
      toolbar: {
          container: toolbarOptions, //工具栏,
          handlers: handlers //重写方法,
      }
  },
  // placeholder: '请输入内容',
  readOnly: props.readOnly
});


const styles = computed(() => {
  let style = {};
  if (props.minHeight) {
    style.minHeight = `${props.minHeight}px`;
  }
  if (props.height) {
    style.height = `${props.height}px`;
  }
  return style;
})

const content = ref("");
watch(() => props.modelValue, (v) => {
  if (v == null){
    content.value =  "<p></p>"
  }else if (v !== content.value) {
    content.value = v === undefined === null ? "<p></p>" : v;
  }
}, { immediate: true });


const outsideHandleSuccess = (res, file) => {
  let quill = proxy.$refs.myQuillEditor.getQuill()
  length = 0;
  if (quill.getSelection() != null) {
      length = quill.getSelection().index;
  }
  //插入图片
  quill.insertEmbed(length, 'image', res.data.url);
  quill.setSelection(length+1);
}

const outsideHandleSuccessVideo = (res, file) => {
  let quill = proxy.$refs.myQuillEditor.getQuill()
  length = 0;
  if (quill.getSelection() != null) {
      length = quill.getSelection().index;
  }
  //插入图片
  quill.insertEmbed(length, 'video', res.data.url);
  quill.setSelection(length+1);
}


</script>

<style>
.editor, .ql-toolbar {
  white-space: pre-wrap !important;
  line-height: normal !important;
}
.quill-img {
  display: none;
}
.ql-snow .ql-tooltip[data-mode="link"]::before {
  content: "请输入链接地址:";
}
.ql-snow .ql-tooltip.ql-editing a.ql-action::after {
  border-right: 0px;
  content: "保存";
  padding-right: 0px;
}

.ql-snow .ql-tooltip[data-mode="video"]::before {
  content: "请输入视频地址:";
}

.ql-snow .ql-picker.ql-size .ql-picker-label::before,
.ql-snow .ql-picker.ql-size .ql-picker-item::before {
  content: "14px";
}
.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="small"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="small"]::before {
  content: "10px";
}
.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="large"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="large"]::before {
  content: "18px";
}
.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="huge"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="huge"]::before {
  content: "32px";
}

.ql-snow .ql-picker.ql-header .ql-picker-label::before,
.ql-snow .ql-picker.ql-header .ql-picker-item::before {
  content: "文本";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="1"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="1"]::before {
  content: "标题1";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="2"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="2"]::before {
  content: "标题2";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="3"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="3"]::before {
  content: "标题3";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="4"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="4"]::before {
  content: "标题4";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="5"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="5"]::before {
  content: "标题5";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="6"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="6"]::before {
  content: "标题6";
}

.ql-snow .ql-picker.ql-font .ql-picker-label::before,
.ql-snow .ql-picker.ql-font .ql-picker-item::before {
  content: "标准字体";
}
.ql-snow .ql-picker.ql-font .ql-picker-label[data-value="serif"]::before,
.ql-snow .ql-picker.ql-font .ql-picker-item[data-value="serif"]::before {
  content: "衬线字体";
}
.ql-snow .ql-picker.ql-font .ql-picker-label[data-value="monospace"]::before,
.ql-snow .ql-picker.ql-font .ql-picker-item[data-value="monospace"]::before {
  content: "等宽字体";
}
</style>
